GNU bug report logs - #77800
grep-3.12: write-error-msg test failure on fedora rawhide (f43)

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From: Jim Meyering <jim <at> meyering.net>
To: Grisha Levit <grishalevit <at> gmail.com>, "bug-gnulib <at> gnu.org List" <bug-gnulib <at> gnu.org>
Cc: Jaroslav Škarvada <jskarvad <at> redhat.com>, Paul Eggert <eggert <at> cs.ucla.edu>, jackson <at> fastmail.fm, 77800 <at> debbugs.gnu.org
Subject: bug#77800: grep-3.12: write-error-msg test failure on fedora rawhide (f43)
Date: Thu, 17 Apr 2025 22:18:39 -0700

[Message part 1 (text/plain, inline)]

On Tue, Apr 15, 2025 at 9:17 PM Jim Meyering <jim <at> meyering.net> wrote:
...
> We're going to have to revise that code.
> The difference I see is that before rawhide, that fclose would fail.
> It's perfectly fine for fclose to succeed in this case, as now happens
> on rawhide (because with 4k BUFSIZ, the fclose wrote nothing -- the
> preceding 4096-byte write is what failed).
>
> Here's a better patch: (technically, we could factor it somewhat, but
> readability would suffer disproportionately)

I didn't take the time to find a precise commit, but this bug predates
the move from closeout.c to gnulib's close-stdout.c in 2006. As I
write this, I'm installing Fedora 42.
I'll probably push the attached to gnulib tomorrow:

[close-stream-vs-F42.diff (application/octet-stream, attachment)]

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